With so much variation in the UKIP share in recent polls it is perhaps worth recalling that the firm that got it most right the last time they were tested, the May 22nd Euros, was YouGov.

The figures are in the chart above and it is interesting that YouGov and ICM, the ones that did best on May 22nd, are continuing to show UKIP with smaller shares for the general election compared with other pollsters.

Later this morning Lord Ashcroft is publishing his latest CON-LAB marginals poll. This covers 14 CON held constituencies and has a sample of 14k.